Question

The water level of a river in May was 30cm below the 'normal' mark. After the rains, the level of water went up by25cm. If the water level in May is written as '-30', the level after the rains would be *

Answer 1

The answer of the question The water level of a river in May was 30cm below the 'normal' mark. After the rains, the level of water went up by25cm. If the water level in May is written as '-30', the level after the rains would be * is 55.